commucation

By emily alice
  • May 22, 751

    Paper is introduced to the Muslim world after the Battle of Talas

  • May 22, 1305

    The Chinese develop wooden block movable type printing

  • May 22, 1450

    Johannes Gutenberg finishes a printing press with metal movable type

  • May 22, 1520

    Ships on Ferdinand Magellan's voyage signal to each other by firing cannon and raising flags.

  • claude chappe establishes the first long distance semaphore telegraph line

  • joseph henry proposes asnd builds an electric telegraph

  • samuel morse develops the morse code

  • samual morse builds the first long distance electric telegraph line

  • charles fenerty produces paper from a wood pulp elimanating rag paper which was in limited supley

  • associated press organizes nova scotia pony express to carry latest european news for new york newspapers

  • alexander graham bell and thomas a. watson exhibit an electric telephone in boston

  • thomas edison patents the phonograph

  • almon strowger patents the direct dial telephone

  • guglielmo marconi transmits the first television signal

  • Hindu-Malayan empires write legal documents on copper plate scrolls, and write other documents on more perishable media

  • john logie baird transmits the first television signal

  • hedy lamarr and george antheil invent frequency hopping spread spectrum communication technique

  • douglas h. ring and w. rae young of bell labs proposed a cell based approch which leads to cellular phones

  • claude elwood shannon the father of information theory mathermacticly proves the nyquist shannon sampling theourem

  • chester carlson presents the first photocopier suitible for office use

  • first geosynchronous communications satellite is lauched 17 years after arher c clarke article

  • charles kao realizes that silica based optical waveguides offer a practical way to transmit light via total internal reflection

  • the first hosts of arpanet internets ancester are connected

  • erna schneider hoover invented a computerized switching system for telephone traffic

  • donald knuth begins work on tex

  • tim bernerss-lee and robert cailliau built the prototype system which became the world wide web at cern

  • anders olsson transmits solitary waves through an optical fibre with a data rate of 32 billion bits per second

  • neil papworth sends his first sms (or text message)

  • Tsai Lun invents paper